class Student1 extends Student {
	int age;
	String clas;
	void print() {
		System.out.println("姓名:"+sname+"年龄:"+sid);
	}

	void print(String a, int b) {
		System.out.println("姓名:"+a+"年龄:"+b);
	}

	void print(String a, int b, int c) {
		System.out.println("姓名:"+a+"年龄:"+b+"ID号:"+c);
	}

	void print(String a, int b, double c) {
		System.out.println("姓名:"+a+"年龄:"+b+"ID号:"+c);
	}
}

class test {
	public static void main(String args[]) {
		Student1 a1 = new Student1();
		a1.sname="jame";
		a1.age = 23;
		a1.print();
		a1.print("jame",36);
		a1.print("Tome",22,102);
		a1.print("java",21,321);
	}
}

